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Pontiac 9439879 Output Shaft Bearing

1982-1990 Pontiac

Customer Questions & Expert Answers (3)
9439879 GM Output Shaft Bearing Product Photo 1 of 1
  • Part Description
    Bearingfrt Differential Drive Pinion Gear Inner
  • Position
    Front Inner
  • Manufacturer
    General Motors
Make sure this part fits
$59.48 MSRP: $105.01
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Currently Unavailable

Due to manufacturer supply shortage, this item isn't currently available for ordering.

  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Pontiac
    Manufacturer Part Number9439879
    Part DescriptionOutput Shaft Bearing; Bearingfrt Differential Drive Pinion Gear Inner
    Item Dimensions3.2 x 3.1 x 1.1 inches
    Item Weight1.30 Pounds
    PositionFront Inner
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU9439879
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1988-1990 Pontiac 60004 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 3.1LLE 4 DOOR
    1982-1987 Pontiac T10004 Cyl 1.6L2 DOOR, 4 DOOR
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 9439879 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be done to remove the tube and output shaft assembly, including the Pinion Bearing, for the 2002 Chevrolet Blazer? Posted by Verified Customer
    A:
    First, remove the pilot bearing from the output shaft using a special tool. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Feb 06, 2024
    Q:
    What should be done to remove the tube and output shaft assembly, including the Pinion Bearing, for the 1999 GMC Jimmy? Posted by Savchyshyn Y.
    A:
    First, remove the pilot bearing from the output shaft using a special tool. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Feb 27, 2026

Genuine GM Part 9439879, the Right Choice

To ensure reliability, purchase GM part # 9439879 Output Shaft Bearing. It is sometimes referred to as Pontiac Pinion Bearing. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Pontiac 6000, T1000 models.

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